NFT Standards of Top Blockchains in 2024
NFTs require some level of standardization at their creation to be compatible with their blockchain. The exponential growth of NFTs in 2021 and their use cases make understanding different standards important. In this article, we will explore some of the NFT standards.
What is an NFT standard?
Non-Fungible Token (NFT) standards outline how to create NFTs on a particular blockchain. The smart contract and the properties of the token it issues are defined by a token standard.
NFT Standards
Ethereum
Ethereum is the most used blockchain for NFTs. Different standards have been developed for Ethereum, such as:
ERC-721
ERC-721 was first used in the CryptoKitties game. Tokens created from this standard are unique because the token ID and the contract address pair must be unique. The downside of ERC-721 is that bulk transfer of NFTs is not possible. If an account wants to send 10 NFTs, they have to make 10 smart contracts. ERC-1155 has tried to solve this issue.
ERC-1155
ERC-1155 is a multi-token standard that allows the transfer of multiple tokens of different types in a single, smart contract. NFTs and fungible tokens can be transferred in a single transaction, saving time and reducing costs by 90%. ERC-1155 was designed by Enjin with the idea of using it in games. In games, there are fungible assets such as gold and wood and non-fungible items such as a rare sword or armor. ERC-1155 allows the transfer of both types of items in a single transaction.
Figure 1. ERC-1155 use case
ERC-998
ERC-998 is an extension of ERC-721. It is compostable, allowing the ERC-988 token to manage other tokens within itself. It can hold ERC-721 and ERC-20 (standard for fungible tokens). This enables standard assets to be combined into complicated compositions that can be transferred in a single transfer.
The main difference between ERC-998 and ERC-1155 is that ERC-998 merges NFTs and fungible tokens into one NFT, while ERC-1155 registers NFTs and fungible tokens into a single, smart contract. ERC-998 can be considered a portfolio of tradable assets.
Figure 2. A hypothetical example of ERC 998
Binance smart chain
Binance smart chain (BSC) is compatible with the Ethereum blockchain, which allows porting applications between them. The public wallet address is the same on BSC and Ethereum blockchains.
BEP-721 & BEP-1155
BEP-721 & BEP-1155 are extensions of ERC-721 and ERC-1155, respectively. They function similarly to their Ethereum counterparts. The main differences between them are:
- Transaction costs are lower in BSC compared to Ethereum.
- BSC processes transactions 4.3 times faster than Ethereum.
Stacks blockchain
Stack is a blockchain that is anchored to the Bitcoin blockchain. It enables the use and creation of smart contracts, NFTs, and DeFi applications that are secured by Bitcoin.
SIP-009
SIP-009 is the standard that is used by Stacks blockchain to create NFTs that are secured by Bitcoin. SIP-009 outlines standard features that NFTs must have to be compatible with Stacks wallets.
Further reading
Cem has been the principal analyst at AIMultiple since 2017. AIMultiple informs hundreds of thousands of businesses (as per similarWeb) including 60% of Fortune 500 every month.
Cem's work has been cited by leading global publications including Business Insider, Forbes, Washington Post, global firms like Deloitte, HPE, NGOs like World Economic Forum and supranational organizations like European Commission. You can see more reputable companies and media that referenced AIMultiple.
Throughout his career, Cem served as a tech consultant, tech buyer and tech entrepreneur. He advised businesses on their enterprise software, automation, cloud, AI / ML and other technology related decisions at McKinsey & Company and Altman Solon for more than a decade. He also published a McKinsey report on digitalization.
He led technology strategy and procurement of a telco while reporting to the CEO. He has also led commercial growth of deep tech company Hypatos that reached a 7 digit annual recurring revenue and a 9 digit valuation from 0 within 2 years. Cem's work in Hypatos was covered by leading technology publications like TechCrunch and Business Insider.
Cem regularly speaks at international technology conferences. He graduated from Bogazici University as a computer engineer and holds an MBA from Columbia Business School.
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